body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

section {
    padding: 2rem;
    text-align: center;
}

section#about {
    background: #f4f4f4;
}

section#contact {
    background: #fff;
}

form {
    display: inline-block;
    text-align: left;
}

label {
    display: block;
    margin: 0.5rem 0 0.2rem;
}

input, textarea {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #333;
    color: #fff;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #555;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}